Tarsus I and terminalia of males A Achradocera apicalis (Aldrich), tarsus I, posterior view (Montserrat) B Achradocera barbata (Loew), tarsus I, posterior view (Kentucky, USA), arrows indicate ventral setae C Achradocera apicalis, tip of abdomen, left lateral (Montserrat) D Achradocera barbata, tip of abdomen, left lateral (Florida, USA). Scale bars: 0.25 mm (A, B), 0.5 mm (C, D).